Table 1 Study patient characteristics for different arms
|  | RBC | RBC + P | RCP |
|---|---|---|---|
N = 223 | N = 391 | N = 295 | |
Median (Interquartile Range) unless otherwise stated | |||
Age, mean (SD) | 36.0 (19.3) | 42.9 (19.8) | 35.6 (19.2) |
Male, n (%) | 178 (80.5%) | 287 (75.5%) | 244 (83.8%) |
Time from injury to scene arrival (mins) | 22.5 (14.3, 25.2) | 31.4 (26.3, 36.8) | 24.6 (14.8,26.1) |
Time from injury to hospital arrival (mins) | 79.3 (64.2, 89.7) | 97.4 (75.2, 107.4) | 81.5 (67.4, 91.2) |
Blunt Injury, n (%) | 124 (55.6%) | 304 (80.0%) | 151 (51.9%) |
Injury Severity Score* | 33.7 (24, 41) | 31.6 (23, 44) | 30.1 (22, 43) |
AIS Head > 3 | 27/100 (27%) | 51/217 (24%) | 38/180 21% |
Prehospital physiology | Â | Â | Â |
SBP (mmHg) | 82.0 (68.0;95.0) | 78.0 (67.0;90.0) | 79.0 (59.0;100) |
HR (bpm) | 121 (110;133) | 110 (81.0;130) | 109 (85.5;135) |
HR 0 and SBP 0, n (%) | 55 (25%) | 81 (21%) | 89 (31%) |
SBP < 90, n (%) | 198 (88%) | 341 (89%) | 243 (84%) |
Resuscitative and coagulopathy markers at hospital arrival | |||
|---|---|---|---|
|  | N = 87**/158†| N = 178**/285†| N = 194**/214†|
INR > 1.2, n (%) | 29 (38%) | 52 (30%) | 39 (29%) |
Base Excess (mmol/L) | − 8.00 (− 12.88;− 4.93) | − 5.60 (− 9.90;− 2.42) | − 7.80 (− 14.12;− 3.00) |
pH | 7.16 (7.01;7.27) | 7.24 (7.12;7.32) | 7.17 (7.01;7.29) |
Lactate (mmol/L) | 4.90 (2.80;8.70) | 4.10 (2.40;7.00) | 6.50 (3.30;11.2) |